Fine-tune the speed and acceleration of the Micro RS4 with a
selection of tough metal pinion gears! Use a larger pinion for
higher top speeds, or use a smaller pinion gear for increased
acceleration.
Includes a set screw for attaching the pinion to the motor
shafts.
#72480

Now you can add your own style to the Global RallyCross grid
with this clear version of the Subaru WRX STI body for the Micro
RS4!
This clear body ships with a large flexible vinyl decal
sheet for detailing the clear polycarbonate shell. Window lines,
headlights,...

Add extra durability to your Trophy or D812 drivetrain with this
set of Aluminum Racing Clutch Shoes! Anodized an awesome gunmetal
color, these are a great way to increase the amount of track time
you get between maintenance chores. The triple-shoe design ensures
you get...